Jabra M5390 Multiuse (5317-408-305) Wireless Headset with Bluetooth Base and Adapter

Features: * Multiuse headset Dual use wireless Bluetooth headset (mobile + desk phone or mobile + PC based softphone) * Frequency band 2.45GHz/ISM * Bluetooth 2.0 specifications * Supported Bluetooth profiles Headset and handsfree profiles * Compatible with most standard corded desk phones and with other Bluetooth devices with Bluetooth 1.1 (or higher) specifications * Up to 200 feet (10 meters) Operating Range * Paired devices 8 (Can sustain connections to 2 Bluetooth devices at the same time) * Up to 6 hours talk time * Up to 60 hours standby time * Lithium-ion polymer battery type (not replaceable) * Approximately 2 hours charging time * Digital sound enhancement via DSP technology/eSCO Bluetooth Audio Link * Speaker: 15mm dynamic speaker element; Frequency: 200  6,800Hz; Sensitivity: XXdB (Pa/V) +/-3dB @ 1kHz * 3 different wearing styles: ear hook, headband and neckband (neckband is an accessory) * Microphone Sensitivity: -17dB(V/Pa) +/-3dB @ 1kHz; Noise reduction; 3 mm unidirectional microphone * PeakStopTM technology * Answer call, end call, reject call, voice dialing, last number redial, call waiting, put on hold, MultipointTM connections, volume control * +41�� to +104�� (F+5�� to +40�� C) operating temperature * Connectors: RJ9, USB adapter * Power Supplies Voltage: 230/110VAC to 7.5VDC wall plug * Dimensions: o Headset: 4.6 x 0.6 inches (118 x 15 mm) o Cradle: 3.6 x 2.0 inches (92 x 51 mm) * Weight: o Headset: 0.65 oz (18.5 g)/ 0.53 oz (15 g) without ear hook o Cradle: 4.87 oz (138 g) * One-year limited warranty